TL;DRNothing has shared a video detailing the Glyph lights on the back of the upcoming Phone 4a.The LEDs are arranged in a single bar and can light up in different sequences to convey different information.The Nothing Phone 4a is set to launch on March 4.More than most manufacturers, Nothing likes to shake up its hardware design from year to year. The company’s hallmark Glyph lights are especially subject to change. Ahead of the reveal of its upcoming midrange Phone 4a, Nothing teased a new Glyph interface: a handful of square LEDs arranged in a straight line. Now, Nothing’s given us an even better look.Nothing has posted a video on YouTube showing off the Phone 4a’s redesigned Glyph lights. The system comprises six white LED squares and one red one. Like in Nothing’s other Glyph interfaces, these can be configured to flash in different patterns to correspond to different notifications. The red LED can also be set to turn on when the phone is recording video.